Candles, torches etc
Many high class flashlights can be used in tanker, like surefire, imalent, etc.
The answer is most likely a "light bulb". It is made of glass and can be found in torches or flashlights to produce light when electricity flows through it.
You call people living in Australia, Australians.
Australians call them "lifts", but the word "elevators" is not unknown.
Watermelon, Australians just have an accent.
i presume you mean do Australians call us poms? if so yes
KIDS
it is a veranda
We call them thongs, and yes, many Australians wear them.
If it is an outdoors "grill", it is probably what Australians call a Barbeque. With increasing frequency, it is sometime known by its brand name as a Webber.
Australians commonly call chickens "chooks" (rhyming with looks).